11.3. Analysis.
Comparison 11 Intrathecal morphine and PCA morphine versus PCA morphine, Outcome 3 Cognition ‐ days for MMSE to return to preoperative level.
Comparison 11 Intrathecal morphine and PCA morphine versus PCA morphine, Outcome 3 Cognition ‐ days for MMSE to return to preoperative level.